Slubbing-machine



M. K. BALLARD. SLUBB|NG MACHINE.

' APPLlCATlON FILED OCT- ]1 1920. 1 0

Patented May 24, 19211.

3 SHEE'lS-SHEET 1.

M. K. BALLARD. SLUBBING MACHINE ATTMKNBV UNHT sLUBBrnc-raaonrnn.

Specification of Letters Patent.

Patented May an, 1921.

Application filed (Dctober 1, 1920. Serial No. 414,029.

To all whom it may concern:

Be it known that I, MARVIN K. BALLARD, a citizen of the United States, residing at Belmont, in the county of Gaston and State of North Carolina, have invented. certain new and useful Improvements in. Slubbing- Machines; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to a slubbing or speeding device for cotton spinning machines, and the object is to provide for effecting the change of speed, without the necessityof employing a belt, such as is frequently used in connection with a pair of cone pulleys,'the belt being a source of trouble for various reasons well known to those familiar with these machines.

A further object is to provide, in connection with a single cone, a plurality of friction wheels each mounted on a shaft at an angle with the axis of rotation of the cone, these friction wheels being movable along the surface of the cone, for varying the s eed.

A still further object is to provide, in connection with the foregoin construction, means for changing the position of both of the friction wheels in one operation.

A still further object is to provide mounting means for the friction wheels which shall include a plurality of slidable devices, each provided with a toothed surface, constituting a rack element, a rotatable shaft carrying pinions cooperating with the racks, and means for imparting rotation to the shaft, and adapted for connection with a tension device.

With the foregoing and other objects in view, the invention consists in the novel construction, combination, and arrangement of elements hereinafter described and claimed.

In the drawings:

Figure 1 is a view of the machine in front elevation.

Fig. 2 is an elevation of a portion of the machine from the opposite side.

Fig. 3 is a horizontal section on line 33 of Fig. 1.

Fig. 4 is a horizontal section on line ir-4L I of Fig. 1. I

Fig. 5 is a horizontal section on line 55 of Fig. 1.

Fig. 6 is a vertical section of a portion of the machine.

Fig. '4' is a detail view of one of the slidable frames mounting the friction wheels.

A vertical shaft 10 carries a beveled gear wheel 11 meshing with a beveled gear wheel 12 on upper shaft 14, shaft 10 passing through a bearing in hangers 15 which is swung on the shaft 14. A collar 17 is rigid with vertical shaft 10 and rests against the surface 18 of the central portion of the hanger.

Keyed on the shaft 10 is a pinion 19 meshing with pinions 20 and 21 on inclined shafts 22 and 23. The shafts last named each carry a friction wheel, the wheels being designated 24 and :25 and coiiperating with a cone 26 loosely journaled on the vertical shaft 10. Also loosely mounted with reference to the shaft 10, but rigid with reference to the cone, is a gear wheel 27 meshing with a gear wheel 28 on the lower shaft 30.

It will be observed that the result of this construction is to permit vertical shaft 10 carrying pinion 19, to drive inclined shafts 22 and 23, friction wheels 24. and 25 and cone 26, the speed depending upon. the position of the friction wheels with reference to the cone. The movement imparted to the cone is of course imparted to the shaft 30 through the gearing illustrated. The large cone is mounted in cone bearings 26. One end of shaft 3% is supported by bearing 8 carried by bracket 9. It should be added that the drive shown at the upper left hand corner of Fig. 1 includes gear wheel 14, the meshing idler 16 mounted in bracket 16', and gear wheel 16 having the usual power connection.

In order to efiect the required change in the position of the friction wheels, these wheels loosely mounted on shafts 22 and 23,

'slidable but not rotatable thereon,-are

shifted by means of devices each including a rack bar 31 and laterally extending arms 32 and 33. Each wheel is mounted between the two adjacent arms, and the shifting movement is produced through the rotation of the shaft 3e carrying gear wheels 35 meshing respectively with the rack bars. The shaft 34 is mounted in. bearings 36 connected with a transverse bar 37, which also provides bearings for the upper ends of shafts 22 and 23. A. beveled gear wheel 38 on the shaft 34 meshes with the gear wheel 39 on a shaft 40, the latter carrying a gear wheel 41, controlled by the tension rack 43. Bearingsfor,

the shaft last named are shown at 44 and 45. Coiled tension springs 46 are connected with the bar 87 and with one of the lateralarms of each shifting device controlling the position of the friction wheel on that side of the machine.

Inclined guiding rods are shown at 50 and 51', these rods passing through apertures in the. laterally extending arms of the friction wheel shifting devices. The guiding rods just mentioned have their lower ends connected with the transverse bar 54, and their upper ends connected with the bar 37. The bar 54 provides a bearing for the lowerend of the vertical shaft 10, and also affords bearings for the shafts 22 and 23. The shaft 30 is mounted in bearings 57 and 58 ona frame 60 swung from a rod 61. This shaft passes through a bearing 62 in a bolster 63 apertured for the shaft 10, the gear wheel 27 and the cone 26 and bolster having their downward movement limited by a collar 65 directly above the gear .19 and connected therewith.

One end of-the shaft 30 carries a grooved wheel 66, and an arm 67 mounted to swing on the bar 61 engages the under side of the grooved wheel and has connected therewith a rod-.68, by means of which the swinging frame mounting the shaft 30 may be elevated or swung for the purpose of changing the vertical position of the cone.

. Having thus described the invention, what I claim is 1. In a machine of the class described, a shaft, a cone loosely mounted thereon, a gear wheel rigid with reference to the cone, a gear wheel meshing with the gear wheel first named, a shaft mounting the second named gear wheel, a friction wheel, means for mounting the latter on an axis approximately parallel with the surface of the cone, and means whereby the shaft first first named, a shaft mounting the second named gear wheel, a friction wheel, means for mounting the latter on an axis approximately parallel wlth the surface of the cone,-

and'means whereby the shaft first named.

and the friction wheel are caused to rotate together, said means last named including devices for moving the friction wheel longitudinally of its axis.

3. In a machine of the class described, a

shaft, a cone loosely mounted thereon, a gear wheel rigid with the cone, a shaft and a gearwheel thereon meshing with the gear wheel first named,'a gear wheel rigid with angle with reference to the shaft first named,

means for gearing the inclined shaft with the shaft first named, a friction wheel on the inclined shaft, rotatable therewith, and cooperating with the cone. 4. In amachine of the class described, a shaft, a cone loosely mounted thereon, a gear. wheel rigid with the cone, a shaft and a gear wheel thereon meshing with the gear wheel first named, a gear wheel rigid with the shaft first named, a shaft inclined at an angle with reference. to the shaft first named, means forgearing the inclined shaft with the shaft-first named,'a friction wheel on the inclinedshaft, rotatable therewith, and coiiperating with the cone, and means for shifting the friction wheel longitudinally of the cone, for contacting with the latter at points of various diameters.

5. In a machine of the class described,-a shaft, a cone loosely mounted thereon, a

gear wheelrigid with thecone, a-shaft and shifting the friction wheels longitudinally of the cone, for contacting with the latter at points of various diameters, and a rack bar and frame for shifting the friction wheel longitudinally of the inclined shaft.

6. In a device of the class described,

shaft, acone loosely mounted thereon, a shaft geared 'to the cone and rotatable therewith, means for adjustingthe position of the cone vertically of theshaft first named without affecting the drive through the gearing, a friction wheel cooperating with the cone,and movable along the surface thereof, means fer' mounting the friction wheel, and means causing-the shaft first named and the friction wheel to rotate together.

7. In a machine of the class described, a

shaft, a cone loosely mountedthereon, a

friction wheel geared to said shaft and cooperating with the surface of the cone, means for moving the friction wheel along the surface of the cone longitudinally of its axis, said means including a-frame, a

rack bar, .a gear wheel meshing with the rack bar,- and means for'rotating the gear wheel. I

8. In a device of the class described, a tension device including a rack bar, a shaft, and means for rotating the shaft upon the movement .of the rack bar, and a gear wheel on th'eshaft, a friction wheel and mounting means therefor including a rack bar meshing with the gear wheel, a shaft on which the friction wheel is slidable and is non-rotatable, a cone With which the friction wheel In testimony whereof I affix my signature coiiperates, the latter being mrilvafble lengthin presence of tWo Witnesses.

Wise or" the axis of the cone, a s a t on which a the cone is loosely mounted, means for gear- MARVIN BALLARD' ing the shaft last named to the shaft mount- Witnesses: ing the friction Wheel, and a shaft geared to CHAS. NIOHOLs, the cone. W. H. HORSLEY. 

